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        主頁 > TAG標簽 > 硬密封刀閘閥

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        • 2018-06-03 21:08:26 PZ73H硬密封刀型閘閥

          PZ73H手動硬密封刀型閘閥是刀型閘閥里面常見的一種密封方式,其密封閥座為硬密封,一般是焊D507。這種硬密封刀型閘閥適用于帶有懸浮顆粒、煤漿、灰渣水泥混合物等介質的管道,靠...

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